You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
12 lines
334 B
12 lines
334 B
5 years ago
|
class ModifyChallengeIdForDiscusses < ActiveRecord::Migration[5.2]
|
||
|
|
def change
|
||
|
|
discusses = Discuss.where(challenge_id: nil)
|
||
|
|
discusses.each do |dis|
|
||
|
|
challenge_id = Shixun.find(dis.dis_id).challenges.first.id
|
||
|
|
dis.update_column(:challenge_id, challenge_id)
|
||
|
|
end
|
||
|
|
add_index :discusses, :challenge_id
|
||
|
|
|
||
|
|
end
|
||
|
|
end
|